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authortmk <tmk@users.noreply.github.com>2014-03-24 10:45:46 +0900
committertmk <tmk@users.noreply.github.com>2014-03-24 10:45:46 +0900
commit1722e04e73301ffa1a4153644230f894570005da (patch)
treee5954e892ed0092f3dca2945fb7443137043de68 /keyboard/lightsaber/led.c
parent7474e14d068210242b9cb59b21afce25f66e2a6e (diff)
parent1482fe92a0c5af6f0a84396a3f9fee73d59bb48f (diff)
Merge pull request #102 from xauser/master
Support for Lightsaber keyboard
Diffstat (limited to 'keyboard/lightsaber/led.c')
-rw-r--r--keyboard/lightsaber/led.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/keyboard/lightsaber/led.c b/keyboard/lightsaber/led.c
new file mode 100644
index 0000000000..c3f85427f5
--- /dev/null
+++ b/keyboard/lightsaber/led.c
@@ -0,0 +1,54 @@
+/*
+Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <avr/io.h>
+#include "stdint.h"
+#include "led.h"
+
+/* LED pin configuration
+ *
+ * Caps PB0 (low)
+ * NumLock PB4 (low)
+ *
+ */
+void led_set(uint8_t usb_led)
+{
+ // Set as output.
+ DDRB |= (1<<0) | (1<<4);
+
+ if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ {
+ // Output low.
+ PORTB &= ~(1<<0);
+ }
+ else
+ {
+ // Output high.
+ PORTB |= (1<<0);
+ }
+
+ if (usb_led & (1<<USB_LED_NUM_LOCK))
+ {
+ // Output low.
+ PORTB &= ~(1<<4);
+ }
+ else
+ {
+ // Output high.
+ PORTB |= (1<<4);
+ }
+}